Motion Video Game Controllers: Will They Move You?

Smitten with Nintendo's motion-sensing Wii remote, which helped popularize interactive entertainment amongst mainstream audiences, its chief rivals are also launching gesture-tracking interfaces designed to help players literally get in the game.

But while Sony's wand-based PlayStation Move and Microsoft's controller-free Kinect promise a more user-friendly control system than traditional gamepads, they may, both literally and figuratively, rub audiences and game makers alike the wrong way.